Neutron-induced fission cross section of $^{237}$Np in the keV to MeV range at the CERN n_TOF facility
LOPES, I.
Unité de Recherche sur les Maladies Cardiovasculaires, du Métabolisme et de la Nutrition = Research Unit on Cardiovascular and Metabolic Diseases [ICAN]
Unité de Recherche sur les Maladies Cardiovasculaires, du Métabolisme et de la Nutrition = Research Unit on Cardiovascular and Metabolic Diseases [ICAN]
MARRONE, S.
National Research Council of Italy | Consiglio Nazionale delle Ricerche [CNR]
Laboratoire de recherche en Hydrodynamique, Énergétique et Environnement Atmosphérique [LHEEA]
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National Research Council of Italy | Consiglio Nazionale delle Ricerche [CNR]
Laboratoire de recherche en Hydrodynamique, Énergétique et Environnement Atmosphérique [LHEEA]
Langue
en
Article de revue
Ce document a été publié dans
Physical Review C. 2016, vol. 93, n° 3, p. 034614
American Physical Society
Résumé en anglais
The neutron-induced fission cross section of 237Np was experimentally determined at the high-resolutionand high-intensity facility n TOF, at CERN, in the energy range 100 keV to 9 MeV, using the 235U(n,f ) and 238U(n,f ) ...Lire la suite >
The neutron-induced fission cross section of 237Np was experimentally determined at the high-resolutionand high-intensity facility n TOF, at CERN, in the energy range 100 keV to 9 MeV, using the 235U(n,f ) and 238U(n,f ) cross section standards below and above 2 MeV, respectively. A fast ionization chamber was usedin order to detect the fission fragments from the reactions and the targets were characterized as far as theirmass and homogeneity are concerned by means of α spectroscopy and Rutherford backscattering spectroscopyrespectively. Theoretical calculations within the Hauser-Feshbach formalism have been performed, employingthe EMPIRE code, and the model parameters were tuned in order to successfully reproduce the experimental fissioncross-sectional data and simultaneously all the competing reaction channels.< Réduire
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